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Compare BMW 8 Series G14 Convertible vs BMW M3 E93 Convertible vs BMW 4 Series G23 Convertible

Variants
840d MHEV xDrive
840d xDrive
840i
840i Euro6d
840i Euro6d xDrive
840i xDrive
M850i Euro6d xDrive
M850i xDrive
MT
DCT
420d
420i
430d
430i
M440i xDrive

Capacity

Cargo Capacity
210 L / 7.4 cu-ft ~ 350 L / 12.4 cu-ft
Coolant Capacity
9.5 L / 10.0 qt
Engine Oil Capacity
8.8 L / 9.3 qt
Fuel Capacity
63.0 L / 16.6 gal
59.0 L / 15.6 gal
Passengers
4
4
4

Chassis

Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
single-piston floating calipers
Power Steering
Electric Steering
Electric Steering
Electric Steering
Steering Ratio
14.1
Suspension | Front
Double-wishbone
MacPherson strut
MacPherson
Suspension | Rear
Multi-link
Multi-link
Multi-link (five-link)
Turning Circle
11.9 m
11.7 m / 38.4 ft

Construction

Battery | Capacity
0.5 kWh (gross)
Body Style
2-door Convertible

Dimensions

Size | Height
1392 mm / 54.8 in
Size | Length
4615 mm / 181.7 in
Size | Width
1804 mm / 71.0 in
Track Width | Front
1540.0 mm / 60.6 in
Track Width | Rear
1642.0 mm / 64.6 in
1539.0 mm / 60.6 in
Wheel Size
9.5J x 18
Wheelbase
2822 mm / 111.1 in
2761 mm / 108.7 in
2851 mm / 112.2 in

Performance

Coefficient Of Drag
0.32
Top Speed
250.0 km/h / 155.3 mph
250.0 km/h / 155.3 mph

Powertrain

Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Emission Standard
Euro 5
Euro 6d
Engine
S65B40
Engine | Bore
92.0 mm / 3.6 in
Engine | Compression Ratio
12.0:1
Engine | Displacement
4.0 L / 244.0 cu-in / 3999.0 cc
Engine | Power
420.0 hp / 313.2 kW @ 8300 rpm
Engine | Specific Output
105.0 hp/L / 1.7 hp/cu-in
Engine | Stroke
75.2 mm / 3.0 in
Engine | Torque
400 Nm / 295.0 lb-ft @ 3900 rpm
Engine | Type
Naturally-aspirated multi-port injected petrol V8 engine with 4 values per cylinder
Transmission | Gears
8-speed
8-speed
Transmission | Type
Automatic Steptronic
Automatic Steptronic

Production

Availability
2008 ~ 2013
2021-03
Debut
2018-11
2020-09-30
Made In
Germany
Germany

Reviews

Neofiliac score
85%
77%
74%
Pros
  • Rather good styling
  • Luxurious interior
  • Decent performanceGood 0.28 drag coefficient
  • Good suspension setup
  • Convertible hard top
  • Great styling with the top up or down
  • Great S65 engine
  • Good transmissions
  • Good 0.27 drag coefficient
  • Still RWD-oriented
Cons
  • Diesel in a luxury convertible?
  • Only soft top
  • Poor reliability
  • Obsession with AWD
  • Stuck with MacPherson struts in the front
  • Much heavier than the Coupe
  • B58 tied to AWD
  • Engines too small
  • Lost hard top
  • No manual transmission
  • Ugly
  • MacPherson front suspension

Price

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